五. Pathology 1。 vasculitis 2. lupus nephritis a. minimal change b. mesangial proliferative C focal segmental lesions d diffuse e membranous f. sclerosing五. Pathology 1. vasculitis 2. lupus nephritis a. minimal change b. mesangial proliferative c. focal segmental lesions d. diffuse e. membranous f. sclerosing